need some help with the ongoing problems with Paul's triumph. When trying to start, the start switch just makes something tick in the engine (relay?) but nothing else happens...the starter motor does nothing and the engine doesnt even try to turn over.

we've tried a brand new battery, checked all the fuses, checked the switch etc. It was washed last weekend and has stood all week...usually it's used daily. tried spraying wd40 around the electrics to get any damp out and this fixed another issue we had with the indicators not working (spraying in the switch housing fixed it straight away)

anyone got any ideas? driving us both mad!